ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,173, issued on Aug. 18, was assigned to DH TECHNOLOGIES DEVELOPMENT PTE. LTD. (Singapore).
"Space charge reduction in TOF-MS" was invented by Pavel Ryumin (Toronto), Nicholas G. Bloomfield (Newmarket, Canada) and Igor Chernushevich (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mass spectrometer that includes a mass filter and a TOF mass analyzer receives the ion beam from an ion source device that ionizes a compound of a sample. The mass filter selects a precursor ion mass range and the mass analyzer mass analyzes the mass range. A continuous flow of selected precursor ions is maintained between the mass filter and the mass analyzer. A f...